Home / 15,499,273.60-23,238,412.80-7,920,006.40

Finding the Fourth Proportional to 15,499,273.60, 23,238,412.80 and 7,920,006.40

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Solution

The fourth proportional to 15,499,273.60, 23,238,412.80 and 7,920,006.40 is: 11,874,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499,273.60 : 23,238,412.80 = 7,920,006.40 : x
  2. Step 2: Convert to fraction form
    15,499,273.60/23,238,412.80 = 7,920,006.40/x
  3. Step 3: Cross multiply
    15,499,273.60x = 23,238,412.80 × 7,920,006.40
  4. Step 4: Simplify right side
    15,499,273.60x = 184,048,378,101,841.94
  5. Step 5: Solve for x
    x = 184,048,378,101,841.94/15,499,273.60
  6. Step 6: Final answer
    x = 11,874,645.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.